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boric acid/zea mays
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7 risultati
Boric acid and salinity effects on maize roots. Response of aquaporins ZmPIP1 and ZmPIP2, and plasma membrane H+-ATPase, in relation to water and nutrient uptake.
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Under saline conditions, an optimal cell water balance, possibly mediated by aquaporins, is important to maintain the whole-plant water status. Furthermore, excessive accumulation of boric acid in the soil solution can be observed in saline soils. In this work, the interaction between salinity and
In vitro germination and pollen tube growth of maize (Zea mays L.) pollen : VI. Combined effects of storage and the alleles at the waxy (wx), sugary (su 1)and shrunken (sh 2)loci.
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Pollen grains containing either theWx,wx,Su 1,Su 1,Sh 2orsh 2alleles were stored for 0, 1, 2, 3, 4 or 5 days at 2 °C. After each storage period, a portion of each genotype was cultured on a 15% sucrose, 0.6% bacto-agar, 0.03% calcium nitrate and 0.01% boric acid medium, while another portion was
In vitro germination and pollen tube growth of maize (Zea mays L.) pollen : VIII. Storage temperature and pollen source effects.
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Pollen grains from two hybrids, WF9xH55 (W) and K64xK55 (K) were collected and a sample from each was cultured immediately (0 h). The remainder was subdivided and stored at 2, 20, and 35° C. At 3, 6, 12, 24, 36, 48, 72, 96, and 120 h, a sample was cultured. The culture medium contained 15% sucrose,
Toxic effects of boron on growth and antioxidant system parameters of maize (Zea mays L.) roots.
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The aim of this study was to investigate the possible oxidative stress and the antioxidant response, which were caused on maize by boron (B). For this, 11- and 15-day-old maize seedlings were subjected to 2 or 4 mM B in the form of boric acid (H₃BO₃) for 2 and/or 6 days. At the end of the treatment
Excess boron reduces polyphenol oxidase activities in embryo and endosperm of maize seed during germination.
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The effects of increasing concentrations of boron (0, 0.1, 1, 10 and 20 mM) as boric acid on the rate of germination and polyphenol oxidase activities in embryo and endosperm tissues of maize seeds (Zea mays L. cv. Arifiye) were studied. The germination percentage of maize seeds was not affected by
The boron efflux transporter ROTTEN EAR is required for maize inflorescence development and fertility.
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Although boron has a relatively low natural abundance, it is an essential plant micronutrient. Boron deficiencies cause major crop losses in several areas of the world, affecting reproduction and yield in diverse plant species. Despite the importance of boron in crop productivity, surprisingly
Development of a novel fluorescent tag O-2-[aminoethyl]fluorescein for the electrophoretic separation of oligosaccharides.
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This study describes the development of a novel fluorescent tag, O-2-[aminoethyl]fluorescein, for the separation of sugars by capillary electrophoresis with fluorescence detection using an argon ion laser. The tag was synthesised using three consecutive steps namely: esterification, alkylation and
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